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- Path: sparky!uunet!cs.utexas.edu!natinst.com!natinst.com!not-for-mail
- From: winkeler@natinst.com (Keith Winkeler)
- Newsgroups: comp.sys.sun.hardware
- Subject: SBus reads past writes
- Date: 8 Sep 1992 19:15:05 -0500
- Organization: National Instruments, Austin, TX
- Lines: 15
- Message-ID: <18jfm9INNs1n@eagle.natinst.com>
- NNTP-Posting-Host: eagle.natinst.com
-
- A question for any Sun/SBus hardware gurus/consultants:
-
- Can any reads go past writes out to the SBus? That is, when
- a write is posted to a buffer, but before completing, can a
- subsequent read be issued and begin and complete before the
- write buffer is flushed?
-
- The intuitive answer would be that that scenario is not
- possible in any system which maintains coherency.
-
- But has anybody seen such behavior before?
-
- Keith Winkeler
- National Instruments
- (512)794-5779
-